Analysis
- max time kernel
150s - max time network
131s - platform
windows10-2004_x64 - resource
win10v2004-20260911-en - resource tags
arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
24/09/2026, 10:23
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe
Resource
win10v2004-20260911-en
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe
Resource
win11ltsc2024-20260911-en
12 signatures
150 seconds
General
- Target jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe
- Size 64KB
- Sample260924-me4e5sbc45
- SHA256 79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c
- MD5 2787e36514aafd503960f20f173861a3
- SHA1 3acc1ce13bf2da1227d8ff859e3890fbbabe260a
- SHA512 85b80d8900ef7e964c5fcb3a47c1f8daeb442764431cf2cba1fe7485d00866fa45b724b618ac82e540b4f6efae07e9cada763f3dccd94be9f1c41c0a52e7451f
- SSDEEP 768:uDZbazb/nxQfrhr6hfGamVwg5oLiDq26Fc8e2uO1aXn06yjNq4aW9/8Eg3Pw:uD8bqw5nmVD5op2TbO1KnL4Z9EEg3Y
- TLSH T17353385EA986CEE4ED134571426752BAC433716B1AD5A29AEECCCCCC433AC517C34ECA
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Deletes itself 1 TTPs 1 IoCs
pid Process 4472 rundll32.exe - Disables service(s) 3 TTPs
- Loads dropped DLL 1 IoCs
pid Process 4472 rundll32.exe - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Stops running service(s) 4 TTPs
- Drops file in System32 directory 11 IoCs
description ioc Process File created C:\Windows\SysWOW64\sysapp23.dll jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe File created C:\Windows\SysWOW64\yuksuser.dll jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe File opened for modification C:\Windows\SysWOW64\yuksuser.dll jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe File created C:\Windows\SysWOW64\ksuser.dll jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe File created C:\Windows\SysWOW64\yumidimap.dll jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe File created C:\Windows\SysWOW64\midimap.dll jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe File created C:\Windows\SysWOW64\dllcache\midimap.dll jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe File created C:\Windows\SysWOW64\msimg32.dll jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe File created C:\Windows\SysWOW64\dllcache\msimg32.dll jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe File created C:\Windows\SysWOW64\dllcache\ksuser.dll jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe File created C:\Windows\SysWOW64\yumsimg32.dll jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe - Launches sc.exe 2 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4428 sc.exe 4816 sc.exe - System Location Discovery: System Language Discovery 1 TTPs 6 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language sc.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net1.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language net.exe - Runs net.exe
- Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 1084 jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe 1084 jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe 1084 jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe 1084 jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe 1084 jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe 1084 jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe - Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1084 jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 1084 wrote to memory of 4288 1084 jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe 87 PID 1084 wrote to memory of 4428 1084 jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe 88 PID 1084 wrote to memory of 4816 1084 jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe 90 PID 4288 wrote to memory of 2060 4288 net.exe 93 PID 1084 wrote to memory of 4472 1084 jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe 103
Processes
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C:\Users\Admin\AppData\Local\Temp\jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe"C:\Users\Admin\AppData\Local\Temp\jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe"1⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1084 -
C:\Windows\SysWOW64\net.exenet stop cryptsvc2⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4288 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 stop cryptsvc3⤵
- System Location Discovery: System Language Discovery
PID:2060
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-
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C:\Windows\SysWOW64\sc.exesc config cryptsvc start= disabled2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4428
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C:\Windows\SysWOW64\sc.exesc delete cryptsvc2⤵
- Launches sc.exe
- System Location Discovery: System Language Discovery
PID:4816
-
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C:\Windows\SysWOW64\rundll32.exeC:\Users\Admin\AppData\Local\Temp\1790245430.dat, ServerMain c:\users\admin\appdata\local\temp\jaffacakes118_79519ae06b32fa0735356a1cf1dadd4b732ed8ed5258bc34d055fafc3fabe98c.exe2⤵
- Deletes itself
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:4472
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\1790245430.dat
- Size 33KB
- SHA256 e6260aee71075a31edbbcb9b7cd2782d4dfdfa66e68694ea8e5f8607504ccd33
- MD5 d323376ec0d6b67487e127a278eab3af
- SHA1 dcf18c3617ee5a17c0ae173a3d28f1c5bc46d21f
- SHA512 d25ba50b5a6d4b3736410b1dd68ce550fe37fdf86735d89ccdf92b913eaf0c0639b3bf1dbb90caef7f9fc6061633c6e072e31cf173040dfcb059fc066d2a262c
- SSDEEP 768:1dW5MwZQlQ5sx9NHku7tPQDB7cO/qvRFQFjPh:HW5MwxsRT7tPQi5vRWFjJ
- TLSH T14DF25A527A5785A2D1A3813036812BB69BFC78301E0752EADB72CB4B1D755C7EA3A207
- MD5 SHA1 SHA512 SSDEEP TLSH